Question

solve 3n+7=25 for n?​

Answer 1

Answer:

3n = 25 - 7

3n = 18

n = 18 / 3

n = 6

Step-by-step explanation:

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Answer 2

$\sf 3n + 7 = 25$

$\sf \blue{Subtracting \: 7 \: from \: both \: sides}$

$\sf 3n + 7 - 7 = 25 - 7$

$\sf 3n + 7 - 7 = 25 - 7$

$\sf \green{Dividing \: 3 \: both \: sides}$

$\sf\dfrac{3n}{3} = \dfrac{18}{3}$

$\sf\therefore n = 6$